CN105557001A - Method and metrics for merging with a neighborhood aware network - Google Patents
Method and metrics for merging with a neighborhood aware network Download PDFInfo
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- CN105557001A CN105557001A CN201480027862.1A CN201480027862A CN105557001A CN 105557001 A CN105557001 A CN 105557001A CN 201480027862 A CN201480027862 A CN 201480027862A CN 105557001 A CN105557001 A CN 105557001A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1061—Peer-to-peer [P2P] networks using node-based peer discovery mechanisms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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Abstract
The invention provides a method and metrics for merging with a neighborhood aware network. Methods, apparatuses, and computer program products for the selection, identification, and comparison of metrics used by a wireless device within range of a plurality of wireless communication systems, such as neighborhood aware networks, to determine which wireless communication system provides the desired capabilities and services are provided in the invention. These metrics can be dynamically selected by a device and implemented for software decision making as additional wireless communication systems with new, different, or better characteristics fall within range of a given wireless device.
Description
Background
Technical field
The application relates generally to radio communication, more specifically relates to for carrying out synchronous system, method and apparatus in peer to peer wireless network.
Description of Related Art
In many telecommunication systems, communication network is used to exchange messages between the interactive device that spatially separates at several.Network can be classified according to geographic range, and this geographic range can be such as urban area, regional area or individual region.Such network can be designated as wide area network (WAN), metropolitan area network (MAN), local area network (LAN) (LAN), WLAN (wireless local area network) (WLAN), neighborhood aware network (NAN) or individual territory net (PAN) respectively.Network also according to the exchange/route technology for interconnect various network node and equipment (such as, circuit switching-packet switching), for the type of physical medium transmitted (such as, wireline-wireless) and the communication protocol collection (such as, Internet protocol collection, SONET (synchronous optical networking), Ethernet etc.) that uses and different.
When network element is mobile and has dynamic connectivity demand thus, or when the network architecture with self-organizing (adhoc) topological structure but not fixed topology is formed, wireless network is preferred often.Wireless network uses the electromagnetic wave in the frequency bands such as radio, microwave, infrared, light to adopt invisible physical medium with non-guidance communication mode.Compared with fixing cable network time, wireless network advantageously facilitates user mobility and field deployment fast.
Equipment in wireless network can to from transmitting each other and/or reception information.In order to perform various communication, each equipment can be coordinated according to agreement.So, each equipment exchange information is movable to coordinate it.Need to be used in the wireless network to transmitting and sending communicate improved system, the method and apparatus coordinated.
Equipment in wireless network can further in the range providing high-level service or functional additional wireless network.Specifically, wireless device (such as exemplary smart phone) can be in communication with the several NAN in range simultaneously.Correspondingly, provide the wireless device in the range being in a more than NAN to use and can select to use what tolerance to determine whether that the method will left a NAN and/or incorporate the 2nd NAN will be favourable.
General introduction
System discussed in this article, method, equipment and computer program have some aspects separately, wherein not only carry out responsible its by any single aspect and expect attribute.When not limiting the scope of the present invention expressed by claims, below some features are discussed briefly.After this discusses in consideration, and especially after having read the chapters and sections being entitled as " detailed description ", how understanding favorable characteristics of the present invention is comprised the power consumption reduced when introducing equipment on medium.
An aspect of the present disclosure provides a kind of for being selected the method for neighborhood aware network by wireless device.The method comprises: for first service identifies first measuring of being associated with the first neighborhood aware network.The method comprises further: for described first service identifies first measuring of being associated with the second neighborhood aware network.The method comprises further: for the more described tolerance of this first service.The method comprises further: based on relatively selecting described first neighborhood aware network or described second neighborhood aware network for described first service.
The another aspect of the subject content described in the disclosure provides a kind of Wireless Telecom Equipment being arranged to the selection performing neighborhood aware network.This equipment comprises: the receiver being configured to the information received from least the first neighborhood aware network and the second neighborhood aware network, described information comprises tolerance.Described equipment also comprises: processor, it is configured to first service and identifies first measuring of being associated with the first neighborhood aware network, for described first service identifies described first measuring of being associated with the second neighborhood aware network, these being relatively associated with this first service first are measured, and based on relatively selecting described first neighborhood aware network or described second neighborhood aware network for described first service..
The another aspect of the subject content described in the subject content described by the disclosure provides a kind of for selecting the equipment of neighborhood aware network.This equipment comprises: for identifying for first service the first device measured be associated with the first neighborhood aware network.Described equipment also comprises: for identifying for described first service the described first device measured be associated with the second neighborhood aware network.Described equipment also comprises: for the device for the more described tolerance of this first service.Described equipment also comprises: for based on the device relatively selecting described first neighborhood aware network or described second neighborhood aware network for described first service.
The another aspect of the subject content described in the disclosure provides a kind of non-transient computer-readable medium comprising code, this code makes wireless device be that first service identifies first measuring of being associated with the first neighborhood aware network when being performed, for described first service identifies described first measuring of being associated with the second neighborhood aware network, for the more described tolerance of this first service, and based on relatively selecting described first neighborhood aware network or described second neighborhood aware network for described first service.
Accompanying drawing is sketched
Figure 1A has explained orally the embodiment according to the first neighborhood aware network of the present disclosure and the second neighborhood aware network.
Figure 1B has explained orally another embodiment according to the first neighborhood aware network of the present disclosure and the second neighborhood aware network.
Fig. 1 C has explained orally the embodiment according to this wireless device when wireless device leaves the first neighborhood aware network of the present disclosure.
Fig. 2 has explained orally the functional block diagram according to wireless device of the present disclosure.
Fig. 3 has explained orally the flow chart according to method of the present disclosure.
Describe in detail
Word " exemplary " is used to mean " as example, example or explanation " herein.Any embodiment being described as " exemplary " herein need not be interpreted as being better than or surpassing other embodiments.The various aspects of this innovative system, apparatus and method are more fully described referring to accompanying drawing.But the disclosure multi-formly can be implemented and should not be construed as to be defined to any concrete structure or function that the disclosure provides in the whole text with many.Specifically, provide these aspects will to be thorough and complete to make the disclosure, and it will pass on the scope of the present disclosure completely to those skilled in the art.Based on instruction herein, those skilled in the art should understand, the scope of the present disclosure is intended to cover the system of these novelties disclosed herein, any aspect of apparatus and method, no matter it independently realizes or combine with any other aspect of the present invention realizing.Such as, the aspect of any number described in this paper can be used to come implement device or hands-on approach.In addition, scope of the present invention is intended to cover and is used as supplementing or different with it other structures, functional or structure and the functional device put into practice or method of the various aspect of set forth the present invention herein.Should be appreciated that any aspect disclosed herein will usually can be implemented by the one or more of claim.
Although this document describes particular aspects, numerous variant and the displacement of these aspects fall within the scope of the present disclosure.Although refer to some benefits and the advantage of preferred aspect, the scope of the present disclosure not intended to be is defined to particular benefits, purposes or target.On the contrary, each side of the present disclosure is intended to broadly be applicable to different wireless technologys, system configuration, network and host-host protocol, some of them by example accompanying drawing and following to the description in preferred in explain orally.The detailed description and the accompanying drawings only explain orally the disclosure and the non-limiting disclosure, and the scope of the present disclosure is defined by claims and equivalent arrangements thereof.
Radio network technique can comprise various types of WLAN (wireless local area network) (WLAN).WLAN can be used to adopt widely used networking protocol by nearby apparatus interconnection together.But various aspects described herein can be applicable to any communication standard, such as wireless protocols.
In some implementations, one or more nodes of peer-to-peer network can transmit synchronization message and communicate between each node of this peer-to-peer network to coordinate one or more availability window.These nodes can also exchange and find that inquiry and response are to be provided in the service discovery between the equipment that operates in identical equity or neighborhood aware network.In some respects, neighborhood aware network (" NAN ") can be considered to peer-to-peer network or self-organizing network.These nodes repeatedly revive periodically transmit and/or receive synchronization message and find message from resting state.
In certain embodiments, only Node subsets can be configured to transmit synchronization message, such as, to reduce network congestion.In certain embodiments, Node subsets can be designated or elect as " master control " node.Such as, the node that can access external power source can be elected as main controlled node, and may not be elected as main controlled node by the node of power of battery running.In certain embodiments, one or more main controlled node can transmit synchronization message, and other nodes may not transmit synchronization message.In certain embodiments, the one or more nodes in NAN can preferably count (MPN) based on that dynamically determine or default master control and elect one or more main controlled node.Such as, its MPN can be set to higher (such as, 10) by the node that can access external power source, and its MPN can be set to lower (such as, 5) by the node of power of battery running.During election process, the node with higher MPN more likely can be elected as main controlled node.
In some implementations, communication system 100 and 102 can be configured to the WLAN of the various equipment of the assembly comprised as this wireless network of access.Such as, the equipment of two types can be had: access point (" AP ") and client (be also called station, or " STA ").Generally speaking, AP can be used as maincenter or the base station of WLAN, and STA is used as the user of WLAN.Such as, STA can be laptop computer, PDA, mobile phone etc.In one embodiment, STA is connected to AP to obtain to internet or the general connectedness to other wide area networks via the wireless link following WiFi (such as IEEE802.11 agreement).In some implementations, STA also can be used as AP.
AP also can comprise, is implemented as or is called as B node, radio network controller (" RNC "), evolved B node, base station controller (" BSC "), base Transceiver Station (" BTS "), base station (" BS "), transceiver function (" TF "), Radio Router, wireless set or other certain terms.
STA also can comprise, is implemented as or is called as access terminal (" AT "), subscriber station, subscri er unit, mobile radio station, distant station, remote terminal, user terminal, user agent, subscriber equipment, subscriber's installation or other certain terms.In some implementations, access terminal can comprise cell phone, cordless telephone, Session initiation Protocol (" SIP ") phone, wireless local loop (" WLL ") are stood, PDA, have the portable equipment of wireless connection capability or be connected to other certain suitable treatment facility or the wireless device of radio modem." therefore; one or more aspects teaching herein can be included into phone (such as; cell phone or smart phone), computer (such as; laptop devices), portable communication device, hand-held set, portable computing device (such as; personal digital assistant), amusement equipment (such as, music or video equipment or satelline radio), game station or system, global positioning system devise or be configured in any other the suitable equipment via wireless medium communication.
Figure 1A has explained orally the example of the first wireless communication system 100 and the second wireless communication system 102.Wireless communication system 100 and wireless communication system 102 are alternately called as NAN100 and NAN102 in this article.Wireless communication system 100 and 102 can operate according to wireless standard (such as 802.11 standards or other applied codes).Shown wireless communication system 100 and 102 is established as exemplary self-organizing peer-to-peer network, such as NAN.NAN100,102 can comprise and such as can be grouped in individual wireless device together based on specific share service.NAN can be the network of the decentralization not relying on any network architecture be pre-existing in, and wherein each node has substantially equal status in the network.Correspondingly, each node or wireless device can participate in the data in this NAN of route and can be associated with given NAN as required or leave given NAN.
Each in NAN100,102 and alternatively its individual member can provide to NAN100,102 the available special services of each member (such as, wireless device).As indefiniteness example, this kind of service can comprise global positioning system (GPS) information, internet game service, environmental sensor information (such as, temperature, air pressure, humidity etc.), social networking or audio/video message transmitting-receiving and other services numerous.Wireless device (the following describes) may be known available service and add one or more NAN to participate in these available service.The multiple NAN providing multiple service separately can be had can to use for given wireless device.
As shown in the figure, NAN100 comprises 5 wireless devices be associated: the camera 108 of two smart phones 104 and 106, enabling wireless ability, laptop computer 110 and desktop computer (it is described to main control device 112 in this article).Similarly, NAN102 comprises 4 wireless device be associated: PDA114 and 116, desktop computer (it is described to main control device 118 in this article) and smart phone (it is described to wireless device 120 in this article).Each forming member of NAN100 and NAN102 is alternatively called individuality " wireless device ", which reflects the wireless capability of each member of NAN100 or NAN102.In addition, the number of example shown wireless device is not intended to for determinate.Each in NAN100 and NAN102 can comprise the wireless device be included of the in fact any number being subject to each system and wireless architecture or agreement and otherwise restriction.And although in order to simply, only NAN100 and NAN102 is illustrated herein, but point other NAN of in fact any number can be there is in a given area.System and method disclosed herein is applicable to this type of region any or framework.
As shown in Figure 1A, NAN100 operates independent of NAN102, and it has its oneself inside NAN and configures and member relation.Data transmission between the individual customer end of each NAN100 and NAN102 and master control is carried out according to appointing system framework.But, although NAN100 and NAN102 is shown as point other entity in figure ia, but as discussed below, such as with reference to Figure 1B, NAN100,102 individual member (such as wireless device 120) range of a more than NAN can be fallen into and the service may simultaneously expecting from multiple NAN (such as NAN100 and NAN102).
Figure 1B has explained orally the distortion of the topology of Fig. 1, and wherein wireless device 120 NAN102 current with it is in radio communication, but also in the range of one or more members of NAN100.In this type of embodiment, wireless device 120 can measure based on some relevant with the service desired by wireless device 120 or preference is selected to add which NAN, that is, optionally participate in NAN100 and/or NAN102.
By method disclosed herein, except each other members of each identified NAN (being depicted as NAN100 and NAN102), wireless device 120 is also configured to identify specific tolerance, described specific tolerance allow wireless device 120 to compared by the matter of all services that can provide with NAN or amount and compare with this for according to which is selected/which NAN is preferred NAN.
In one embodiment, wireless device 120 may expect the service from multiple NAN.Such as, wireless device may expect the service from NAN100 and NAN102, and from the service of other available NAN (not shown).By relatively selected tolerance, wireless device 120 can find that the service that provides than current NAN (such as, NAN102) is more or better serve.As indefiniteness example, wireless device 120 can select the sensor-service from NAN100, because based on selected tolerance, NAN100 sensor-service is better than NAN102, as discussed below.In addition, wireless device 120 can select the GPS from NAN102 to serve further, because the GPS service of NAN102 is better than the GPS service of NAN100.Correspondingly, when wireless device 120 can participate in multiple NAN, then wireless device 120 can select at least one NAN (such as, NAN100 or NAN102) and the various operations of participating.Figure 1A-Fig. 1 C depict only two available NAN, but according to wireless device 120 ability, wireless device 120 can find, compares and/or select many NAN as required.
Fig. 1 C has explained orally an embodiment of illustrative methods, and wherein after determining the service that NAN100 provides better or more different with it than NAN102, wireless device 120 is with NAN102 disassociation or leave NAN102, and associates with NAN100.The determination that wireless device 120 does can based on the method (discussing below with reference to Fig. 3) disclosed in the disclosure.In one embodiment, wireless device 120 leaves NAN102 and asks subsequently add NAN100 or be otherwise associated with NAN100.Alternatively, if wireless device 120 determines that NAN102 provides desired service or the service more superior than available replacement NAN (such as, NAN100), then wireless device 120 can keep together with NAN102.According to available service, wireless device 120 can be the member of multiple NAN further and participate in multiple NAN (such as, NAN100 and NAN102).Correspondingly, wireless device 120 can more various difference be served further, thus selects from providing among each NAN of desired service as required.
One embodiment of NAN102 and/or NAN100 can comprise main control device 118 and main control device 112 respectively, and multiple non-main control device or claim slave equipment.The main control device 118 of NAN102 or the main control device 112 of NAN100 can be responsible for transmitting continuously for information required by the discovery beacon of extension service and other needed for associating with corresponding NAN.Responsibility as the main control device 118 (it is depicted as desktop computer) of NAN102 also can find to be amortized between window phase in the periodicity of NAN102.So, in one embodiment, main control device 112 or main control device 118 can be NAN102 display function and are required.In the embodiment illustrated in fig. 1 c, wireless device 120 is not main control device.Correspondingly, wireless device 120 can start to carry out departing from (leaving) NAN (such as at any time, and add the code of new NAN (such as, NAN100), because wireless device 120 is not required for NAN102 display function NAN102).Between the discovery window phase of NAN102, the wireless device 120 left leaves to indicate it by sending the discovery frame with service ID (such as, " leaving NAN "), indicates it to leave with other members trooped to this.
In one embodiment, on the other hand, if wireless device 120 is main control device (not shown in this figure), then all current membership continuing as NAN102 transmit and find beacon until next finds window by wireless device 120 usually, find when window at next, wireless device 120 can be amortized main control device responsibility transfer to non-primary role.In one embodiment, the role that then will automatically bear as main control device of another wireless device (such as, wireless device 114,116).Wireless device 120 is subsequently by finding that the discovery frame of the residue member sending notice NAN102 between window phase leaves NAN102.
In one embodiment, such as from after NAN102 leaves, wireless device 120 can enter battery saving mode temporarily, to revive between the discovery window phase of new NAN100.Between next discovery window phase of NAN100, wireless device 120 can receive the beacon that comprise synchronization message (not shown) from the main control device 112 (being depicted as desktop computer) of NAN100.After the synchronization message receiving NAN100, wireless device 120 can readjust its time synchronization frame with the clock alignment with new NAN100.Wireless device 120 freely can participate in Publish-subscribe operation or other relevant actions of new NAN100 subsequently.Correspondingly, term " participation " can be used to describe the operation that wireless device 120 and other wireless devices, access point, mobile terminal etc. in exemplary NAN (such as, NAN100, NAN102) are associated in this article.In addition, although main control device 112 is depicted as desktop computer, this should being considered limiting property, because in fact any equipment that can carry out radio communication all can be selected as main control device.
Fig. 2 has explained orally the various assemblies that can utilize in adoptable wireless device 200 in NAN100 or NAN102.Wireless device 200 is the examples that can be configured to the equipment realizing various method described herein.Such as, wireless device 200 can realize and be configured to perform the process described by Fig. 3 such as in wireless device 120.
Wireless device 200 can comprise the processor 204 of the operation controlling wireless device 200.Processor 204 also can be called as CPU (" CPU ").Read-only memory (" ROM ") can be comprised and random access memory (" RAM ") both memories 206 can provide instruction and data to processor 204.A part for memory 206 also can comprise nonvolatile RAM (" NVRAM ").Processor 204 comes actuating logic and arithmetical operation based on the program command stored in memory 206 usually.Instruction in memory 206 can be executable to realize method described herein.
Processor 204 can comprise the treatment system that realizes with one or more processor or can be its assembly.The one or more processor can with general purpose microprocessor, microcontroller, digital signal processor (" DSP "), field programmable gate array (" FPGA "), programmable logic device (" PLD "), controller, state machine, gate logic, discrete hardware components, specialized hardware finite state machine, maybe can realize information and executing calculation or other any combinations of any other suitable entities handled.
Treatment system also can comprise the machine readable media for storing software.Software should be construed broadly into the instruction meaning any type, no matter its be referred to as software, firmware, middleware, microcode, hardware description language or other.Instruction can comprise code (such as, in source code format, binary code form, executable code form or any other suitable code format).These instructions make treatment system perform various function described herein, each function of such as method 300 when being performed by this one or more processor.
Wireless device 200 also can comprise shell 208, and this shell can include transmitter 210 and/or receiver 212 carries out transmission and the reception of data with permission between wireless device 200 and remote location.Transmitter 210 and receiver 212 can be combined into transceiver 214.Antenna 216 can be attached to shell 208 and be electrically coupled to transceiver 214.Wireless device 200 also can comprise the multiple transmitter of (not shown), multiple receiver, multiple transceiver and/or multiple antenna.
Transmitter 210 can be configured to wirelessly transmit the grouping with different grouping type or function.Such as, transmitter 210 can be configured to transmit the dissimilar grouping generated by processor 204.In addition, processor 204 can be configured to determine the type of dividing into groups and correspondingly process the field of this grouping and/or this grouping.When wireless device 200 is implemented as or be used as AP (not shown), processor 204 also can be configured to select and generate one of multiple packet type.Such as, processor 204 can be configured to generate the discovery grouping and the grouping information determining to use in particular instances which kind of type that comprise discovery message.
Receiver 212 can be configured to wirelessly receive the grouping with different grouping type.In some respects, receiver 212 can be configured to the type of the grouping that detection uses and correspondingly process this grouping.
Wireless device 200 also can comprise the signal detector 218 that can be used for trying hard to detect and quantize the signal level received by transceiver 214.Signal detector 218 can detect signal and other signals of such as gross energy, every every chip energies of subcarrier, power spectral density and so on.The digital signal processor (" DSP ") 220 that wireless device 200 uses when also can be included in processing signals.DSP220 can be configured to generate grouping for transmission.In some respects, grouping can comprise physical layer data units (" PPDU ").
In some respects, wireless device 202 can comprise user interface 222 further.User interface 222 can comprise keypad, microphone, loud speaker and/or display.The user that user interface 222 can comprise to wireless device 200 conveys a message and/or receives any element or the assembly of input from this user.
The various assemblies of wireless device 200 can be coupled by bus system 226.Bus system 226 can comprise such as data/address bus, and also has power bus, control signal bus and status signal bus in addition except data/address bus.The assembly of wireless device 200 can use other certain Mechanism couplings accept together or each other or provide input.
Although explained orally several assembly separated in Fig. 2, the one or more assemblies in these assemblies can be combined or jointly realize.Such as, processor 204 can be used to not only to realize above about processor 204 describe functional, but also realize above about signal detector 218 and/or DSP220 describe functional.In addition, each assembly explained orally in Fig. 2 can use multiple element separated to realize.
Fig. 3 has explained orally the flow chart of plotting method 300, wireless device 120 by this method can determine whether will leave the first wireless communication system (such as discussed above ground, and/or incorporate the second wireless communication system (such as, NAN100) NAN102).
Present disclose provides that a kind of to seek in NAN100 additional, better or the method for the approach of different services or ability in order to provide from other wireless device 114,116 and 118 wireless devices 120 be in radio communication in NAN102.In one embodiment, if do not have more superior service can use from another NAN, then wireless device 120 can be stayed in NAN102.In another embodiment, based on selected tolerance, if the service provided by another NAN (such as, NAN100) is superior, then wireless device can leave NAN102.In another embodiment, wireless device 120 can not be selected to leave NAN102; The substitute is, wireless device 120 can find other available NAN (such as, NAN102 and NAN100) or serves and add multiple NAN102 to participate in the plurality of service (there being the occasion of this ability).
Method 300 starts from step 302, in which or which criterion that the processor 204 of this wireless device 120 identifies or otherwise selects and available NAN is associated or measure 320 (being described below) and will be used to compare service.As noted above, serve and promote from the beacon transmission of main control device 112 or main control device 118 or other similar communication by using.Similarly, the value of each tolerance 320 can be identified, determine or otherwise measure by the processor 204 of wireless device 120.In one embodiment, these type of tolerance 320 values can be provided by external source, such as, provide from another wireless device.As discussed below, wireless device 120 can use tolerance 320 to determine whether wireless device 120 should be stayed in current or " first " NAN102, and/or stop and NAN102 radio communication and add another or " second " NAN100.As more at large discussed about frame 312 below, wireless device 120 can not be required to leave a NAN102, but in fact leaves a NAN102 together and add the n-th NAN (such as, the 2nd NAN100) concomitantly.Tolerance 320 can be selected from multiple tolerance, comprises each characteristic of available NAN (such as NAN100 and NAN102).
In one embodiment, one or more tolerance in some not homometric(al)s 320 in the plurality of tolerance may be utilized, thus allow the processor 204 of wireless device 120 determine to stay in its current NAN102 or move to the wireless communication system (such as, NAN100) with characteristic or the service more expected.The occurrence of each tolerance in described tolerance 320 independently can be determined by processor 204 or import mark in transmission into what provided by other wireless devices.
In one embodiment, processor 204 can adopt NAN102 main control device (such as, main control device 118 or main control device 112 (Fig. 1 C)) MPN320a, NAN100 troop NAN age 320b, with another NAN (such as, NAN100) in range Comparatively speaking current NAN102 troop NAN size 320c (or population), Comparatively speaking the 2nd NAN100 of trooping with current NAN102 available NAN serve the change of 320d, quantity or type and ability or the NANRSSI320e with the NANRSSI320e of the NAN100 Comparatively speaking member of NAN102.In another embodiment, the characteristic (such as NAN clock accuracy 320f) that tolerance 320 can adopt NAN main control device further, NAN position 320g are (such as, about NAN102,100 the information of particular location of member) or position (device location) 320h (such as, the relative mobility of wireless device 120) of wireless device 120 and other may characteristic.Aforementioned tolerance list is not intended to be limit, and each tolerance individually or can be measured 320 with other of associated method 300 and adopted in combination.
In one embodiment, the MPN320a of master control wireless device 118 that NAN102 troops is used as selected tolerance 320.Main control device 118 in NAN102 can initiate to transmit synchronization message based on the process of contention for during the discovery time interval finding the period.This synchronization message is used to guarantee that each equipment in NAN102 is by synchronous and can transmit and receive data.In one embodiment, one or more synchronization message can comprise MPN320a.MPN320a can be preset or be carried out dynamic conditioning based on power stability or other correlative factors.In one embodiment, MPN320a is the instruction of the quality of the service of main control device 118, and wherein higher numeral is generally the characteristic more expected.Such as, its MPN can be set to higher (such as, 10) by the wireless device with external power source, and its MPN can be set to lower (such as, 5) by the wireless device of power of battery running.According to disclosed method 300, the 2nd MPN320a of the main equipment 112 in MPN320a and the NAN100 of the NAN main equipment 118 in NAN102 can compare by wireless device 120.Wireless device 120 can leave or depart from the NAN102 with the main control device 118 having MPN lower, is beneficial to add the NAN100 with the main control device 112 having MPN higher.Wireless device 120 can participate in NAN100 subsequently, thus utilizes service quality or the level of the enhancement be associated with higher MPN320a.
In one embodiment, NAN " age " 320b of NAN can be used as selected tolerance 320.The synchronization message transmitted by the main control device 118 in NAN102 can comprise the time stamp of master control wireless device 118, and the surplus equipment in NAN102 utilizes this time stamp to carry out this network synchronous." age " 320b of this NAN now refers to the time from the first synchronous time stamp (not shown) is transmitted by main control device 118.The NAN age 320b that NAN102 troops can adopt by one of following at least two kinds of modes: the first, and older time stamp can be read as the symbol of the stability of the enhancement in more long-time section by processor 204.The occasion that this situation is configured with stable power supply (such as main control device 118 is implemented as the desktop computer with cable power) at main control device occurs.In one embodiment, this be the characteristic expected and can by processor 204 be used for determining whether to add have comparatively new or compared with the NAN100 of old times stamp.
In another embodiment, when the new service that current NAN120 do not provide sought by wireless device 120, older time stamp may not so be expected for wireless device 120.In this situation, processor 204 can preferably add the NAN100 with newer time stamp, such as has the occasion of newer time stamp at the main control device 112 of NAN100.In such embodiments, the NAN age 320b with newer time stamp can indicate than having the service newer compared with the NAN age 320b of old times stamp or more relevant service.NAN age 320b can measure with other and adopt concomitantly.
In one embodiment, the NAN size 320c that NAN troops can be used as the tolerance for determining the NAN property expected.At NAN, information about NAN size 320c can find that the NAN information element (" IE ") carried in beacon is middle by processor 204 and receive.NAN as referred to herein " size " refers to population or the quantity of NAN102 and NAN100 association Comparatively speaking or participation device.When wireless device 120 is the members of the NAN102 with less population, NAN102 can have limited service or ability due to less population.Correspondingly, processor 204 can seek the NAN100 with larger population, and it is shown as the equipment with 5 associations, does not comprise wireless device 120.Additional or the different service that the larger population of NAN100 can provide NAN102 not provide to wireless device 120.Alternatively, in one embodiment, the NAN120 with less population more may expect for wireless device 120, and it provides service to less equipment.In such embodiments, when less competition equipment is on the scene, wireless device 120 can have the access of the increase to desired service.
In one embodiment, the quantity 320d of the service provided in NAN100 or NAN102 uses by processor 204 the further tolerance 320 determined to stay together with NAN102 or seek other NAN100.The quantity 320d of the service provided to seek in current NAN102 to be expect to the occasion of its disabled additional or different service at present at wireless device 120.The quantity 320d of the service that NAN120 and NAN100 can provide by processor 204 subsequently compares, determine which NAN has the quantity of service or selected works (as discussed below) more expected, and determine will leave or leave NAN102 to participate in NAN100.Wireless device 120 can add multiple NAN subsequently as requested to use desired service.Wireless device 120 can add multiple NAN subsequently as requested to use desired service.
In one embodiment, NANRSSI320e also can be used as the tolerance for determining the NAN property expected.NANRSSI320e is the instruction of signal strength signal intensity, and correspondingly, is often the instruction of power stability.As referred to herein, although " NAN " itself may not have RSSI, but main control device 118 or another member device can have RSSI (such as, providing the RSSI of the equipment of service), and this RSSI provides the useful comparison between NAN102 and NAN100.Correspondingly, NANRSSI320e can be the instruction of the signal strength signal intensity of main control device 118, the total signal strength of the instruction of signal strength signal intensity of the individual member (such as, laptop computer 110) of this NAN or all members of this NAN (as wireless device 120 place or at main control device 118 place the total signal strength that realizes) gathering or on average indicate.The main control device 112 that main control device 118 in NAN102 has unstable power supply or a wherein NAN100 has more stable power supply, processor 204 can use disclosed method 300 compare described tolerance and select NAN100.
In another embodiment, the mobility of NAN clock accuracy 320f, NAN100 or NAN102 or the device location of position 320g or wireless device 120 or mobility 320h can be used as the tolerance 320 for the determination of this method 300.Use these tolerance 320 may require the transmission that additional information divide into groups, described additional information grouping comprises the coordinate of each client in master control wireless device 118 and main equipment 112 and NAN102 and NAN100.Except coordinate information, embodiment comprises the time stamp corresponding to position data further.
Such as, the position of NAN100, NAN102 and wireless device 120 may be important, because wireless device 120 may more easily can participate in NAN100 (it is nearer than NAN102).Wireless device 120 can use its oneself position 320h to compare to make a choice with the position 320g of this NAN.In one embodiment, device location 320g can comprise mobility information (such as, speed or speed), and this mobility information allows wireless device 120 to make a choice between the NAN100,120 of two movements.In one embodiment, also can be used to determine that in range how long NAN120 will about the information of the NAN position 320g (and position of the individual member of each in NAN102,100) of the mobility (such as speed or speed) of wireless device 120 or position 320h and/or NAN102 and NAN100.If wireless device 120 moving and NAN102 in only, then this information can allow (movement) processor 204 to select the more stable connection with NAN100, and it provides with the link stability of promoting the service more expected on the longer time period.Similarly, NAN clock accuracy 320f can also be to the processor 204 of wireless device 120 provide additional information for select NAN102,100 the instruction of consistent link.
In one embodiment, " position " of wireless device 120 can be the geographical position defined by the combination of latitude, longitude, absolute altitude (elevation) or other relative coordinate system.Similarly, NAN position 320g also can comprise by the geographical position in the region of the member definition of NAN100 or NAN102.Correspondingly, NAN position 320g can comprise describe NAN100,102 single or multiple GPS (global positioning system) reference point of the available scope of the service that provides of the members region, point in this region or the NAN members that occupy.Positional information 320g, 320h can comprise instruction NAN100,102 or the speed of movement of wireless device 120 or velocity component further.
In block 304, processor 204 is that a NAN102 identifies at least selected tolerance 320.When wireless device 120 is in radio communication with multiple NAN102,100 simultaneously, processor 204 can compare service and the ability of each NAN (being shown as exemplary NAN100 and NAN102 in Figure 1A-Fig. 1 C) in range based on selected tolerance.
In frame 306, processor 204 identifies the same metric 320 of the n-th NAN (such as NAN100), and wherein n indicates the quantity of available NAN.In one embodiment, multiple tolerance 320 discussed above can be compared to provide required NAN to serve to wireless device 120.
In frame 308, the tolerance 320 of the more each available NAN of processor 204 (such as, NAN100 and NAN102), to determine which NAN in described available NAN can provide better service.The comparison guiding decision block 310 completed at frame 308, wherein processor 204 based on this relatively determine wireless device 120 whether should select a NAN102 and based on tolerance relatively determine whether should stay in a NAN102.
If be that a NAN102 does not offer the best available service in the determination at decision block 310 place, then wireless device 120 can leave at frame 314 the superior service that a NAN102 is beneficial in another NAN100 (being labeled as herein " the n-th NAN ").Wireless device 120 can add the n-th NAN (such as, NAN100) at frame 316 subsequently.Understand, although frame 314 and frame 316 illustrate in order, in one embodiment, the action described at frame 314 and 316 can be inverted or complete concomitantly, and this depends on design and the requirement of wireless device 120.
In one embodiment, wireless device 120 can periodically or continuously repetition methods 300.This can allow further wireless device 120 iteratively more can NAN tolerance or in the range having additional new NAN to drop on wireless device 120 or when additional wireless device adds available NAN, find new service (being described below).
In one embodiment, if determine that superior service is unavailable in the n-th NAN at decision block 310 processor 204 according to compared tolerance, then method 300 can be selected a NAN102 and stay together with a NAN102.This can be because such as, and according to compared tolerance, from other available NAN, a unavailable or NAN102 has provided superior service in superior service.
At frame 311, wireless device 120 can find one or more Additional Services.Described one or several Additional Services can be from the n-th NAN can new service, wherein this n-th NAN of the prior ignorance road of wireless device 120 or the service that is associated.In one embodiment, this new service is the service desired by this wireless device.Correspondingly, in decision block 312, if there is newfound service available, then wireless device 120 can add the n-th NAN to obtain this new service at frame 216, thus participates in a more than NAN (such as, a NAN102 and the n-th NAN).Can repeat for new method 300 of serving the n-th NAN subsequently.
If determine not new service or Additional Services from another NAN (such as at frame 311 processor 204, NAN100 or the n-th NAN) available or need from the new service of another NAN or Additional Services, then in decision block 312, wireless device 120 can not add the n-th NAN, thus again returns frame 302.Method 300 can be completed discontinuously, thus allows wireless device 120 to continue search available service and seek best possibility NAN to provide desired service.
Should be appreciated that any certain order of the step in any disclosed process or stratum are all the examples of example way.Based on design preference, the concrete order or stratum of understanding step in these processes can be rearranged and still within the scope of the present disclosure.Appended claim to a method presents the key element of various step with example order, and and does not mean that and be defined to given concrete order or level.
May be obvious for those skilled in the art to the various changes of the realization described in the disclosure, and generic principles as defined herein can be applicable to other realizes and can not depart from spirit or scope of the present disclosure.Thus, the disclosure not intended to be is defined to the realization illustrated herein, but the scope of the most broad sense consistent with claims, principle disclosed herein and novel features should be awarded.Use word specially herein " exemplary " represent " as example, example or explanation ".Be described as herein " exemplary " any realization must not be interpreted as being better than or surpassing other and realize.
Some feature described in the context separately realized in this specification realizes in single realization also capable of being combinedly.On the contrary, the various feature described in the context of single realization also can realize dividually or with any suitable sub-portfolio in multiple realization.In addition; although all features may be described to above work in the mode of some combination and be so claimed even at first; but can remove from this combination in some cases from one or more features of combination required for protection, and combination required for protection can for the variant of sub-portfolio or sub-portfolio.
Similarly, although depict all operations with certain order in the accompanying drawings, this be not appreciated that require this generic operation with shown certain order or in order order perform, maybe will perform the result that all explained orally operations just can reach expectation.In certain environments, multitasking and parallel processing may be favourable.In addition, separately should not being understood to be in all realizations of various system components in realization as described above all requires that this type of separately, and should be appreciated that described program assembly and system generally can be integrated together in single software product or be packaged into multiple software product.In addition, other realizations also fall within the scope of appended claims.In some cases, the action described in claim can perform by different order and still reach the result of expectation.
Claims (30)
1., for being selected a method for neighborhood territory aware network by wireless device, described method comprises:
Identify the first tolerance in multiple tolerance, described first tolerance is associated with the first neighborhood aware network for first service;
For described first service identifies described first measuring of being associated with the second neighborhood aware network;
First tolerance of the first neighborhood aware network and the second neighborhood aware network is compared; And
Described first neighborhood aware network or described second neighborhood aware network is relatively selected based on described first service.
2. the method for claim 1, is characterized in that, comprises further:
Identify the second tolerance in described multiple tolerance, described second tolerance is associated with described first neighborhood aware network for second service;
For described second service identifies described second measuring of being associated with described second neighborhood aware network;
Second tolerance of the first neighborhood aware network and the second neighborhood aware network is compared; And
Based at least one relatively coming to select for described second service in described first neighborhood aware network and described second neighborhood aware network of described second service.
3. method as claimed in claim 2, is characterized in that, comprise further:
Find described second service, wherein said second service is previously not identified; And
Add multiple neighborhood aware network concomitantly.
4. method as claimed in claim 2, is characterized in that, comprise further:
Regulation time synchronization frame mates the clock of selected neighborhood aware network; And
At least one in neighborhood aware network selected by participation.
5. the method for claim 1, is characterized in that, comprises further and leaves described first neighborhood aware network and participate in described second neighborhood aware network.
6. the method for claim 1, is characterized in that, described multiple tolerance comprises following at least one:
Described first and described second neighborhood aware network in each in the master control preferably number of main control device;
Described first and described second neighborhood aware network in age of each;
Described first and described second neighborhood aware network in the population of each;
Described first and described second neighborhood aware network in each in the quantity of service that provides;
Described first and described second neighborhood aware network in the instruction receiving signal strength signal intensity of main control device of each; And
Described first and described second neighborhood aware network in each in the clock accuracy of main control device.
7. the method for claim 1, is characterized in that, described multiple tolerance comprises the corresponding position forming the region that members defines represented by each in described neighborhood aware network.
8. method as claimed in claim 7, is characterized in that, described first tolerance compares with the ambulant measurement of described wireless device by described comprising more further.
9. be disposed for a wireless device for the selection performing neighborhood aware network, described equipment comprises:
Be configured to the receiver of the information received from least the first neighborhood aware network and the second neighborhood aware network, described information comprises tolerance; And
Processor, it is configured to:
Identify the first tolerance in multiple tolerance, described first tolerance is associated with the first neighborhood aware network for first service, and is that described first service identifies described first measuring of being associated with described second neighborhood aware network;
First tolerance of the first neighborhood aware network and the second neighborhood aware network is compared; And
Described first neighborhood aware network or described second neighborhood aware network is relatively selected based on described first service.
10. equipment as claimed in claim 9, it is characterized in that, described processor is further configured to:
Identify the second tolerance in described multiple tolerance, described second tolerance is associated with described first neighborhood aware network for second service, and is that described second service identifies described second measuring of being associated with described second neighborhood aware network;
For more described second tolerance of described second service; And
Described first neighborhood aware network or described second neighborhood aware network is relatively selected based on described second service.
11. equipment as claimed in claim 9, it is characterized in that, described processor is further configured to:
Find described second service, wherein said second service is previously not identified; And
Add multiple neighborhood aware network concomitantly.
12. equipment as claimed in claim 10, is characterized in that, described processor is further configured to regulation time synchronization frame to mate the clock of selected neighborhood aware network, and participate in selected by neighborhood aware network at least one.
13. equipment as claimed in claim 9, is characterized in that, described processor is further configured to and leaves the described second neighborhood aware network of described first neighborhood aware network participation.
14. equipment as claimed in claim 9, it is characterized in that, described multiple tolerance comprises following at least one:
Described first and described second neighborhood aware network in each in the master control preferably number of main control device;
Described first and described second neighborhood aware network in age of each;
Described first and described second neighborhood aware network in the population of each;
Described first and described second neighborhood aware network in each in the quantity of service that provides;
Described first and described second neighborhood aware network in each in the instruction receiving signal strength signal intensity of main control device; And
Described first and described second neighborhood aware network in each in the clock accuracy of main control device.
15. equipment as claimed in claim 9, is characterized in that, described multiple tolerance comprises the corresponding position forming the region that members defines represented by each in described first and described second neighborhood aware network.
16. equipment as claimed in claim 15, is characterized in that, described processor is further configured to described first tolerance of each in described neighborhood aware network compared with the ambulant measurement of described wireless device.
17. 1 kinds for selecting the equipment of neighborhood aware network, described equipment comprises:
For identifying the device of the first tolerance in multiple tolerance, described first tolerance is associated with the first neighborhood aware network for first service;
For identifying for described first service the described first device measured be associated with the second neighborhood aware network;
For measuring to first of the first neighborhood aware network and the second neighborhood aware network the device compared; And
For the device relatively selecting described first neighborhood aware network or described second neighborhood aware network based on described first service.
18. equipment as claimed in claim 17, is characterized in that, comprise further:
For identifying the device of the second tolerance in described multiple tolerance, described second tolerance is associated with described first neighborhood aware network for second service;
For identifying for described second service the described second device measured be associated with described second neighborhood aware network;
For the device for more described second tolerance of described second service; And
For the device relatively selecting described first neighborhood aware network or described second neighborhood aware network based on described second service.
19. equipment as claimed in claim 18, is characterized in that, comprise further:
For finding the device of described second service, wherein said second service is previously not identified; And
The device of the clock of selected neighborhood aware network is mated for regulation time synchronization frame; And
For participating in the device of multiple selected neighborhood aware network concomitantly.
20. equipment as claimed in claim 17, is characterized in that, comprise further for leaving described first neighborhood aware network and participating in the device of described second neighborhood aware network.
21. equipment as claimed in claim 17, it is characterized in that, described multiple tolerance comprises following at least one:
Described first and described second neighborhood aware network in each in the master control preferably number of main control device;
Described first and described second neighborhood aware network in age of each;
Described first and described second neighborhood aware network in the population of each;
Described first and described second neighborhood aware network in each in the quantity of service that provides;
Described first and described second neighborhood aware network in the instruction receiving signal strength signal intensity of main control device of each; And
Described first and described second neighborhood aware network in each in the clock accuracy of main control device.
22. equipment as claimed in claim 17, is characterized in that, described multiple tolerance comprises the corresponding position forming the region that members defines represented by each in described first and described second neighborhood aware network.
23. equipment as claimed in claim 22, is characterized in that, measure compared with the ambulant measurement of the wireless device being associated with described first neighborhood aware network further for the device compared by described first of each in described neighborhood aware network.
24. 1 kinds of non-transient computer-readable mediums comprising code, described code makes wireless device when being performed:
Identify the first tolerance in multiple tolerance, described first tolerance is associated with the first neighborhood aware network for first service;
For described first service identifies described first measuring of being associated with the second neighborhood aware network;
For more described first tolerance of described first service; And
Described first neighborhood aware network or described second neighborhood aware network is relatively selected based on described first service.
25. media as claimed in claim 24, is characterized in that, make described wireless device further:
Identify the second tolerance in multiple tolerance, described second tolerance is associated with described first neighborhood aware network for second service;
For described second service identifies described second measuring of being associated with described second neighborhood aware network;
For more described second tolerance of described second service; And
Described first neighborhood aware network or described second neighborhood aware network is relatively selected based on described second service.
26. media as claimed in claim 25, is characterized in that, make described wireless device further:
Find described second service, wherein said second service is previously not identified;
Regulation time synchronization frame mates the clock of selected neighborhood aware network; And
Participate in multiple selected neighborhood aware network concomitantly.
27. media as claimed in claim 24, is characterized in that, make described wireless device leave described first neighborhood aware network further and participate in described second neighborhood aware network.
28. equipment as claimed in claim 24, it is characterized in that, described multiple tolerance comprises following at least one:
Described first and described second neighborhood aware network in each in the master control preferably number of main control device;
Described first and described second neighborhood aware network in age of each;
Described first and described second neighborhood aware network in the population of each;
Described first and described second neighborhood aware network in each in the quantity of service that provides;
Described first and described second neighborhood aware network in the instruction receiving signal strength signal intensity of main control device of each; And
Described first and described second neighborhood aware network in each in the clock accuracy of main control device.
29. media as claimed in claim 24, is characterized in that, described multiple tolerance comprises the corresponding position forming the region that members defines represented by each in described first and described second neighborhood aware network.
30. media as claimed in claim 29, is characterized in that, described wireless device is made further by described first tolerance of each in described neighborhood aware network compared with the ambulant measurement of described wireless device.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109716824A (en) * | 2016-09-15 | 2019-05-03 | 佳能株式会社 | Communication device, communication means and program |
| US10917832B2 (en) | 2016-09-15 | 2021-02-09 | Canon Kabushiki Kaisha | Communication device, communication method, and program |
| CN109716824B (en) * | 2016-09-15 | 2022-04-05 | 佳能株式会社 | Communication apparatus, communication method, and storage medium |
| CN108055393A (en) * | 2017-11-30 | 2018-05-18 | 努比亚技术有限公司 | Speed based reminding method, device and computer readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2716610T3 (en) | 2019-06-13 |
| TWI554130B (en) | 2016-10-11 |
| EP2997754B1 (en) | 2018-12-26 |
| US20140341073A1 (en) | 2014-11-20 |
| JP6391673B2 (en) | 2018-09-19 |
| WO2014186261A1 (en) | 2014-11-20 |
| CN105557001B (en) | 2018-12-25 |
| JP2016525814A (en) | 2016-08-25 |
| EP2997754A1 (en) | 2016-03-23 |
| TW201501553A (en) | 2015-01-01 |
| KR101893773B1 (en) | 2018-08-31 |
| US9843995B2 (en) | 2017-12-12 |
| KR20160010511A (en) | 2016-01-27 |
| HUE042024T2 (en) | 2019-06-28 |
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